#ifndef QXTGLOBALSHORTCUT_P_H
/****************************************************************************
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**       notice, this list of conditions and the following disclaimer.
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**       documentation and/or other materials provided with the distribution.
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**       names of its contributors may be used to endorse or promote products
**       derived from this software without specific prior written permission.
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*****************************************************************************/

#define QXTGLOBALSHORTCUT_P_H

#include "qxtglobalshortcut.h"
#include <QAbstractEventDispatcher>
#include <QKeySequence>
#include <QHash>

#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
#include <QAbstractNativeEventFilter>
#endif

#ifdef Q_OS_DARWIN
#   include <Cocoa/Cocoa.h>
#endif

class QxtGlobalShortcutPrivate : public QxtPrivate<QxtGlobalShortcut>
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
        ,public QAbstractNativeEventFilter
#endif
{
public:
    QXT_DECLARE_PUBLIC(QxtGlobalShortcut)
    QxtGlobalShortcutPrivate();
    ~QxtGlobalShortcutPrivate();

    bool enabled;
    Qt::Key key;
    Qt::KeyboardModifiers mods;

    bool setShortcut(const QKeySequence& shortcut);
    bool unsetShortcut();

    static bool error;
#ifndef Q_OS_DARWIN
    static int ref;
# if QT_VERSION < QT_VERSION_CHECK(5,0,0)
    static QAbstractEventDispatcher::EventFilter prevEventFilter;
    static bool eventFilter(void* message);
# else
    virtual bool nativeEventFilter(const QByteArray & eventType, void * message, long * result);
# endif // QT_VERSION < QT_VERSION_CHECK(5,0,0)
# else
    virtual bool nativeEventFilter(const QByteArray & eventType, void * message, long * result) {
        EventRef Event = reinterpret_cast<EventRef>(message);
        UInt32 EventClass = GetEventClass (Event);
        UInt32 EventKind = GetEventKind (Event);
        UInt32 eventModifiers = 0;
        GetEventParameter(Event,
                          kEventParamKeyModifiers,
                          typeUInt32,
                          NULL,
                          sizeof(UInt32),
                          NULL,
                          &eventModifiers);
        if (kEventClassKeyboard && EventKind == kEventRawKeyDown)
        {
            UInt32 keyPressed = -1;
            GetEventParameter(Event, kEventParamKeyCode, typeUInt32, NULL, sizeof(UInt32), NULL, &keyPressed); 
            return keyPressed == nativeKeycode(key) && nativeModifiers(mods) == eventModifiers;
        }
    }
#endif // Q_WS_MAC

    static void activateShortcut(quint32 nativeKey, quint32 nativeMods);

private:
    static quint32 nativeKeycode(Qt::Key keycode);
    static quint32 nativeModifiers(Qt::KeyboardModifiers modifiers);

    static bool registerShortcut(quint32 nativeKey, quint32 nativeMods);
    static bool unregisterShortcut(quint32 nativeKey, quint32 nativeMods);

    static QHash<QPair<quint32, quint32>, QxtGlobalShortcut*> shortcuts;
};

#endif // QXTGLOBALSHORTCUT_P_H